54837931 has 2 divisors, whose sum is σ = 54837932. Its totient is φ = 54837930.

The previous prime is 54837907. The next prime is 54837961. The reversal of 54837931 is 13973845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54837931 - 2⁷ = 54837803 is a prime.

It is a super-2 number, since 2×54837931² = 6014397352721522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54837901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27418965 + 27418966.

It is an arithmetic number, because the mean of its divisors is an integer number (27418966).

Almost surely, 2^54837931 is an apocalyptic number.

54837931 is the 4684-th centered pentagonal number.

54837931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54837931 is an equidigital number, since it uses as much as digits as its factorization.

54837931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 54837931 is about 7405.2637360191. The cubic root of 54837931 is about 379.9213387503.

The spelling of 54837931 in words is "fifty-four million, eight hundred thirty-seven thousand, nine hundred thirty-one".